30042132140402 has 4 divisors (see below), whose sum is σ = 45063198210606. Its totient is φ = 15021066070200.

The previous prime is 30042132140327. The next prime is 30042132140413. The reversal of 30042132140402 is 20404123124003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21894641247241 + 8147490893161 = 4679171^2 + 2854381^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7510533035099 + ... + 7510533035102.

Almost surely, 2^{30042132140402} is an apocalyptic number.

30042132140402 is a deficient number, since it is larger than the sum of its proper divisors (15021066070204).

30042132140402 is a wasteful number, since it uses less digits than its factorization.

30042132140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15021066070203.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 30042132140402 its reverse (20404123124003), we get a palindrome (50446255264405).

The spelling of 30042132140402 in words is "thirty trillion, forty-two billion, one hundred thirty-two million, one hundred forty thousand, four hundred two".